CN109298347A - A kind of three electric system health control testing stand of new-energy automobile and method - Google Patents
A kind of three electric system health control testing stand of new-energy automobile and method Download PDFInfo
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- CN109298347A CN109298347A CN201811172426.XA CN201811172426A CN109298347A CN 109298347 A CN109298347 A CN 109298347A CN 201811172426 A CN201811172426 A CN 201811172426A CN 109298347 A CN109298347 A CN 109298347A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of three electric system health control testing stands of new-energy automobile and test method, testing stand to be made of dynamometer machine, Dynamometer Control device, power analyzer, temperature sensor, current sensor, speed probe, data acquisition controller, host computer.Three electric systems of pure electric automobile or hybrid vehicle are measurand, need to participate in testing together with the motivation package assembly including heat management system.When test, data acquisition controller, which issues control signal to three electric systems controller to be measured, runs three electric systems, and is loaded by dynamometer machine to power assembly.Each sensor is responsible for the acquisition on the characteristic parameter for influencing for three electric system service life in operational process, the prediction of three electric system health status can be achieved by the processing to data, to provide foundation for its health control.
Description
Technical field
The present invention relates to new-energy automobiles to test field, and in particular to a kind of three electric system health control of new-energy automobile examination
Test platform and method.
Background technique
Under the overall background of energy-saving and emission-reduction, auto electric is the inexorable trend of development of automobile industry, and with lithium ion
Power battery is current technology path most important in the world as energy-storage system.In the technology path, lithium ion power electricity
Pond, electric machine controller and motor are three big kernel components, also known as three electric systems.However, three electric systems, especially lithium ion are dynamic
Power battery manufacturing cost is high, the service life is low, results in the decline of new-energy automobile course continuation mileage, use cost height, failure rate height etc. one
Series of problems greatly limits new-energy automobile performance and market receiving degree.Therefore, to including power battery, electric machine controller
Health control is carried out with motor (referred to as three electric systems) to promote its service life with regard to particularly important.
Currently, three electric system health controls are studied mainly for single components, in fact, running in new-energy automobile
The working condition of Cheng Zhong, three electric systems intercouple, therefore the health status of three also has certain coupled relation, will be a certain
A module is stripped out the health control problem for being unable to reaction system from system.In addition, current research mostly uses greatly experience
The method of formula or simulation calculation not yet sees the experimental technique and testing program research having for three electric system health controls.
For above-mentioned two problems, the invention discloses a kind of three electric system health control testing stand of new-energy automobile and test method,
Based on testing stand of the present invention and test method, power battery pack, electric machine controller, motor can be tested simultaneously, it is right
The operating parameter for influencing for three electric system service life is acquired in real time, can three electric systems respective wink by the processing to test data
When damage calculated, to provide test platform and test method for three electric system health controls.
Summary of the invention
The purpose of the present invention is to propose to a kind of testing stand for three electric system health control of new-energy automobile test and examinations
Proved recipe method.
In order to solve the technical problem, solution of the invention is:
A kind of three electric system health control testing stand of new-energy automobile, including dynamometer machine, Dynamometer Control device, power analysis
Instrument, temperature sensor, speed probe, current sensor, data acquisition controller and host computer.
Three electric systems of new-energy automobile are system under test (SUT), and the operating condition in order to guarantee three electric systems is consistent with real vehicle,
Three electric systems need to participate in testing together with the power assembly of vehicle and its heat management system.Specifically, it for pure electric automobile, moves
Power assembly is three electric systems and heat management system；For oil-electric vehicle, there are a variety of framves such as series, parallel, mixed connection
Structure, but its power assembly is generally by internal combustion engine (distance increasing unit), coupler or power separating device, three electric systems, generator and warm
Management system composition.The present invention is applicable in above-mentioned all types of new-energy automobiles.
For above-mentioned new-energy automobile, the dynamometer machine is connected by Hooks coupling universal coupling with power assembly output shaft, is used
It is loaded in power assembly, consumes power assembly output mechanical energy, and measure its revolving speed and torque；The Dynamometer Control device
When test, Dynamometer Control can be made according to demand for the control of dynamometer machine and the reception of test data with measurement of power mechatronics
Device controls the load that dynamometer machine applies certain rule to power assembly；The speed probe is mounted on the output shaft of motor,
For measuring its revolving speed；The current sensor connects in the route between power battery pack and electric machine controller, for surveying
The electric current transmitted between amount power battery pack and electric machine controller；The power analyzer is for measuring power battery pack supply
The voltage of electric machine controller, and receive the current signal of above-mentioned current sensor.
The temperature sensor is thermocouple, and multiple temperature sensors are separately mounted to power battery pack, motor, motor
The feature locations of controller, for measuring feature locations temperature.Preferably, for three electric systems, temperature sensor exists
Arrangement in power battery pack be evenly arranged it is multiple, and rule of thumb or simulation calculation, in the temperature being likely to occur
Highest monomer and its neighbouring monomer install thermocouple, and the installation of TC is in monomer outer surface；Temperature sensor is in motor control
Installation site on device processed is near IGBT module and diode (led) module, for measuring IGBT junction temperature；Temperature sensor exists
The installation site of motor is front and back end bearing and stator winding end, and in every circle winding overhang mounting temperature sensor, respectively
For measuring bearing lubrication grease temperature and stator winding end temperature.
The host computer can be carried out data acquisition control and data, and host computer divides with Dynamometer Control device, power respectively
Analyzer, data acquisition controller communication, wherein be to receive the power that it is measured with the purpose of Dynamometer Control device communication total
At output end revolving speed and torque data；It is that receiving the power battery pack that it is measured exports with the purpose of power analyzer communication
Electric current and voltage data；It is to be sent to it data acquisition and high-speed CAN module with the purpose of data acquisition controller communication
Control instruction, and receive temperature sensor, the temperature that speed probe measures and rotary speed data.Data acquisition controller packet
NI controller, simulation input board, thermocouple input card and high-speed CAN module are included, wherein being connected directly with host computer and being
NI controller.NI controller is also connected with power analyzer, for exporting external clock to it.Thermocouple input card and all
Thermocouple sensor is connected, for acquiring the collected temperature signal of thermocouple；Simulation input board is connected with speed probe,
For receiving the tach signal of speed probe output；High-speed CAN module and electric machine controller (for pure electric automobile) are mixed
Power controller (for hybrid vehicle) connection is closed, for sending control letter to electric machine controller or hybrid controller
Number, make the power assembly including three electric systems according to setting operating condition work.
The host computer be equipped with data acquisition control software and data processing software, and respectively with data acquisition control
Device, Dynamometer Control device, power analyzer communication, for Dynamometer Control device and power analyzer, can make in its test data
Reach host computer；For data acquisition controller, data acquisition control can be carried out to it by host computer and receive test data.
Data acquisition controller is electrically connected with Dynamometer Control device, electric machine controller, power analyzer, temperature sensor, can be with measurement of power
Machine controller and electric machine controller communication, can also acquire power analyzer and the collected electric signal of temperature sensor and temperature
Signal.
Healthy shape is carried out using above-mentioned three electric system health control testing stand of new-energy automobile the invention also discloses a kind of
The method of state test, method includes the following steps:
(1) data acquisition is opened in the TT&C software in host computer, and data are carried out to the numerical value of all parameters to be measured and are adopted
Collection, sampling time interval are set as Δ t according to test demand；
(2) Dynamometer Control device, the moment of resistance of the control dynamometer machine to power assembly load certain rule are operated；
(3) data acquisition controller is sent control signals in host computer, and data acquisition controller is made to pass through CAN bus
Transmit a signal to hybrid controller (hybrid vehicle) or electric machine controller (pure electric automobile), make power assembly according to
Operating condition work is set, and guarantees that its heat management system works normally；
(4) numerical value of all parameters to be measured during record is tested is recorded and stored, and the longevity is brought into collected data
Life and transient state damage calculation formula are calculated, the service life for obtaining the damage of three electric system transient states and running under the operating condition.
The testing stand can measure the key parameter for influencing the three electric system service life of new-energy automobile, can be with by data processing
The health status of three electric systems is obtained, to provide test platform for three electric system health control technological development and plan-validation.
Detailed description of the invention
Fig. 1 typical case new-energy automobile structural schematic diagram；Wherein (a) is typical pure electric automobile structure chart, (b) is allusion quotation
The series parallel hybrid power structure chart of type；
The structural schematic diagram of three electric system health control testing stand of Fig. 2 new-energy automobile；
Three electric system health control testing bench control system structural schematic diagram of Fig. 3 new-energy automobile.
Specific embodiment
The invention is further explained in the following combination with the attached drawings of the specification.
Three electric system health control testing stand of this new-energy automobile mainly includes dynamometer machine 1, Dynamometer Control device 2, power
Analyzer 3, temperature sensor 4, speed probe 5, current sensor 6, data acquisition controller 7 and host computer 8.
Three electric systems of new-energy automobile are system under test (SUT), and the operating condition in order to guarantee three electric systems is consistent with real vehicle,
Three electric systems need to participate in testing together with the power assembly of vehicle and its heat management system.Specifically, it for pure electric automobile, moves
Power assembly is three electric systems and heat management system, and Fig. 1 (a) is that typical pure electric automobile structure chart (omits heat management system
System)；For hybrid vehicle, there are a variety of frameworks such as series, parallel, mixed connection, but its power assembly generally (increases journey by internal combustion engine
Device), coupler or power separating device, three electric systems, generator and heat management system, Fig. 1 (b) is the mixing of typical series parallel type
Dynamic structure figure (omits heat management system).The present invention is applicable in above-mentioned all types of new-energy automobiles.
Technical solution of the present invention is described in further detail using pure electric automobile as embodiment below, but not as
Improper restriction to applicable object of the present invention.
Fig. 2 is to illustrate by three electric system health control test platform structures of test object of three electric system of pure electric automobile
Figure.Three electric systems are system under test (SUT), including power battery pack 10, electric machine controller 11, motor 12 and its heat management system are (in figure
It is not drawn into).
Dynamometer machine 1 is connect with motor 12 by Hooks coupling universal coupling 9, and for loading to power assembly, consumption power assembly is defeated
Mechanical energy out, and measure the revolving speed and output torque of motor.Dynamometer machine 1 is electrically connected with Dynamometer Control device 2.Speed probe 5
It is mounted on the output shaft of motor 12, for measuring motor speed.For the present embodiment, although dynamometer machine 1 can measure
The revolving speed of motor 12, but to obtain sampling clock identical with other sensors, need to separately set and turn on the output shaft of motor 12
Fast sensor.
Power analyzer 3 wherein one be connected be connected in the route between power battery pack 10 and electric machine controller 11, use
In the voltage and current of measurement between the two.Since the output electric current of power battery pack 10 is more than the current measurement of power analyzer
Range, it is therefore desirable to be equipped with current sensor 6, and current sensor 6 is connect in the line.
Multiple groups temperature sensor 4 (1), 4 (2), 4 (3) are separately mounted to power battery pack 10, electric machine controller 11, motor
12 feature locations, for measuring its feature locations temperature.Preferably, temperature sensor uses thermocouple.Preferably, for institute
Three electric systems stated, thermocouple arranging by the way of being evenly arranged in power battery pack 10, and it is rule of thumb or imitative
It is true to calculate, thermocouple is installed in the highest monomer of temperature and its neighbouring monomer being likely to occur, the installation of TC is outside monomer
Surface；Thermocouple is near IGBT module and diode (led) module, for measuring IGBT in the installation site on electric machine controller 11
Junction temperature；Thermocouple is front and back end bearing and stator end coil in the installation site of motor 12, and in each end coil
Mounting temperature sensor is respectively used to measurement bearing lubrication grease temperature and stator winding end temperature.
Fig. 3 is three electric system health control testing bench control system structural schematic diagram of new-energy automobile, as shown, upper
Machine 8 can be carried out data acquisition control and data processing, and host computer 8 is adopted with Dynamometer Control device 2, power analyzer 3, data respectively
Collect controller 7 to communicate, wherein the purpose communicated with Dynamometer Control device 2 is to receive its power assembly output end measured
Revolving speed and torque data；The purpose communicated with power analyzer 3 is to receive the electric current for the power battery pack output that it is measured
And voltage data；The purpose communicated with data acquisition controller 7 is to be sent to it the control of data acquisition and high-speed CAN module
Instruction, and receive temperature sensor 4, the temperature that speed probe 5 measures and rotary speed data.Data acquisition controller 7 includes
NI controller, simulation input board, thermocouple input card and high-speed CAN module, wherein being connected directly with host computer 8 is NI
Controller.NI controller is also connected with power analyzer 3, for exporting external clock to it.Thermocouple input card and all
Thermocouple sensor 4 is connected, for acquiring the collected temperature signal of thermocouple；Simulation input board and 5 phase of speed probe
Even, for receiving the tach signal of speed probe output；High-speed CAN module is connected with electric machine controller 11, is used for motor
Controller 11 issues control signal, and three electric systems is made to work according to certain operating condition.
Healthy pipe is carried out using above-mentioned three electric system health control testing stand of new-energy automobile the invention also discloses a kind of
The method for managing test, the specific steps are as follows:
(1) host computer 8 carries out data acquisition to the numerical value of all parameters to be measured, and sampling time interval is set according to test demand
For Δ t；
(2) operation Dynamometer Control device 2 issues control signal, and dynamometer machine 1 is made to load the resistance of certain rule to motor 1
Square；
(3) data acquisition controller 7 is sent control signals in host computer 8, keeps data acquisition controller 7 total by CAN
Line transmits a signal to electric machine controller 11, makes power assembly according to setting operating condition work, and guarantee the normal work of its heat management system
Make；
(4) numerical value for recording and storing all parameters to be measured during record is tested, collected characteristic is brought into
Three electric systems respective service life and transient state damage calculation formula are calculated, and obtain the damage of three electric system transient states and in the circulation industrial
The service life to work under condition.
Claims (6)
1. a kind of three electric system health control testing stand of new-energy automobile, including dynamometer machine, Dynamometer Control device, power analysis
Instrument, temperature sensor, speed probe, current sensor, data acquisition controller and host computer, it is characterised in that:
Three electric systems of pure electric automobile or hybrid vehicle are measurand, participate in trying together together with motivation package assembly
It tests；Three electric systems include power battery pack, electric machine controller and motor；The dynamometer machine and power assembly output end
It is connected by Hooks coupling universal coupling, and is electrically connected with Dynamometer Control device；The speed probe is mounted on the output shaft of motor
On；The current sensor is connected in the route between power battery pack and electric machine controller；The power analyzer
Wherein the current input terminal of a phase is connect with current sensor, and the voltage input of power analyzer is connected to power battery pack and electricity
In route between machine controller；The temperature sensor has multiple, is separately mounted to the feature locations of three electric systems；
The host computer is communicated with data acquisition controller, Dynamometer Control device, power analyzer respectively；The data are adopted
Collect controller respectively with the electric machine controller of power analyzer, temperature sensor, speed probe and pure electric automobile or mixed
Close the hybrid controller connection of power vehicle.
2. three electric system health control testing stand of new-energy automobile according to claim 1, it is characterised in that as test
Three electric systems of object need to include complete heat management system.
3. three electric system health control testing stand of new-energy automobile according to claim 1, it is characterised in that in power electric
Multiple temperature sensors are uniformly installed inside the group of pond, and is being likely to occur the highest single battery of temperature and its is being disposed about several
Temperature sensor, paste position of the temperature sensor on single battery are outer surface.
4. three electric system health control testing stand of new-energy automobile according to claim 1, it is characterised in that in motor control
Mounting temperature sensor near the IGBT module and diode (led) module of device processed.
5. three electric system health control testing stand of new-energy automobile according to claim 1, it is characterised in that before motor
Temperature sensor is arranged in the end of latter two bearing and every circle stator winding.
6. a kind of three electric system health control test method of new-energy automobile of testing stand as described in claim 1, feature exist
In:
(1) data acquisition is carried out by numerical value of the host computer to all parameters to be measured, sampling time interval is set according to test demand
For Δ t；
(2) host computer sends control signals to data acquisition controller, and data acquisition controller controls dynamometer machine, makes dynamometer machine pair
Motor loads the moment of resistance；
(3) host computer sends control signals to data acquisition controller, and data acquisition controller is transmitted a signal to by CAN bus
The electric machine controller of pure electric automobile or the hybrid controller of hybrid vehicle, make the power including three electric systems
Assembly guarantees that its heat management system works normally according to setting operating condition work；
(4) numerical value of all parameters to be measured during record is tested is recorded and stored, and brings collected data into three electricity and is
It unites the respective service life and transient state damage calculation formula is calculated, obtain the damage of three electric system transient states and run under the operating condition
Service life.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811172426.XA CN109298347B (en) | 2018-10-09 | 2018-10-09 | New energy automobile three-electric-system health management test bed and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811172426.XA CN109298347B (en) | 2018-10-09 | 2018-10-09 | New energy automobile three-electric-system health management test bed and method |
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| CN109298347A true CN109298347A (en) | 2019-02-01 |
| CN109298347B CN109298347B (en) | 2020-04-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196369A (en) * | 2019-06-25 | 2019-09-03 | 广州小鹏汽车科技有限公司 | Three electric system experimental rigs of one kind and method |
| CN113756943A (en) * | 2021-08-06 | 2021-12-07 | 广西玉柴机器股份有限公司 | Integrated shell range extender structure with stator temperature measurement function |
| CN113955149A (en) * | 2021-11-25 | 2022-01-21 | 北京润科通用技术有限公司 | Health diagnosis method and device for motor system |
| WO2022213597A1 (en) * | 2021-04-07 | 2022-10-13 | 北京理工大学 | New energy vehicle eic system safety feature database construction method |
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| CN109298347B (en) | 2020-04-14 |
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